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  1. #include <stdio.h>
  2. #include <stdbool.h>
  3. #include<stdint.h>
  4.  
  5.  
  6. struct a{ 
  7. union{ 
  8. struct{bool a:1;}; 
  9. struct{ 
  10. uint32_t x:1; 
  11. uint32_t y:31; 
  12. }; 
  13. }; 
  14. }; 
  15.  
  16. int main(void) {
  17. 	struct a a={.y=1, .a=true};
  18. 	printf("%d\n",a.y);
  19. 	a.y=1;
  20. 	printf("%d\n",a.y);
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 4168KB
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https://ideone.com/WeAoO6
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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